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Synthesis of Imidazol-2-ylidenes by Reduction of Imidazole-2(3<i>H</i>)-thiones
Synthesis · 1993 · Vol. 1993(06) · pp. 561–562
Norbert Kühn✉(University of Duisburg-Essen)Thomas Kratz(University of Duisburg-Essen)
Abstract
An improved synthesis of the title compounds is reported. Reaction of the N,N-dialkylthioureas 1 with 3-hydroxy-2-butanone gives the imidazole-2(3H)-thiones 2 which on treatment with potassium in boiling tetrahydrofuran give the imidazol-2-ylidenes 3 in excellent yields.
Synthesis of heterocyclic compoundsSynthesis and Reactions of Organic CompoundsSynthesis and Reactivity of Sulfur-Containing CompoundsChemistryImidazoleTetrahydrofuranBoilingMedicinal chemistryOrganic chemistry
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